diff --git a/core/modules/node/node.module b/core/modules/node/node.module
index 2172738..3af3c97 100644
--- a/core/modules/node/node.module
+++ b/core/modules/node/node.module
@@ -1081,7 +1081,7 @@ function node_query_node_access_alter(AlterableInterface $query) {
  * @param $rebuild
  *   (optional) The boolean value to be written.
  *
- * @return mixed
+ * @return bool 
  *   The current value of the flag if no value was provided for $rebuild.
  *
  * @see node_access_rebuild()